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Flavor: Sour Like Olives or Pickles

Problem:

A sour taste like olives or pickles is probably not what you want in your beer, and the presence of acetic acid is the likely culprit of this off-flavor.

Causes:

  • Vinegar-producing acetobacteria contamination causes a sour flavor in beer.

Cures:

  • Use closed fermentation to prevent contamination by airborne contaminants.
  • Maintain sanitary conditions.
Flavor: Sour Like Olives or Pickles